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CVE-2021-22238

Quick assessment

Affected
GitLab GitLab
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GitLab是美国GitLab公司的一款使用Ruby on Rails开发的、自托管的、Git（版本控制系统）项目仓库应用程序。该程序可用于查阅项目的文件内容、提交历史、Bug列表等。 GitLab 中存在跨站脚本漏洞，该漏洞源于产品 issues 的 design feature 功能未能过滤输入数据的特殊字符。攻击者可通过该漏洞执行客户端代码。 以下产品及版本受到影响：GitLab 14.1 至 14.1.2 版本，GitLab 14.0 至 14.0.7 版本，GitLab 13.3 至 13.12

CVSS 6.8 · Medium EPSS 71.79% · P99

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-22238

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue has been discovered in GitLab affecting all versions starting with 13.3. GitLab was vulnerable to a stored XSS by using the design feature in issues.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司的一款使用Ruby on Rails开发的、自托管的、Git（版本控制系统）项目仓库应用程序。该程序可用于查阅项目的文件内容、提交历史、Bug列表等。 GitLab 中存在跨站脚本漏洞，该漏洞源于产品 issues 的 design feature 功能未能过滤输入数据的特殊字符。攻击者可通过该漏洞执行客户端代码。 以下产品及版本受到影响：GitLab 14.1 至 14.1.2 版本，GitLab 14.0 至 14.0.7 版本，GitLab 13.3 至 13.12
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
GitLab GitLab >=14.1, <14.1.2 -

II. Public POCs for CVE-2021-22238

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III. Intelligence Information for CVE-2021-22238

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Other References for CVE-2021-22238 (3)

Same Patch Batch · GitLab · 2021-08-20 · 3 CVEs total

CVE-2021-22246 7.7 HIGH GitLab安全漏洞
CVE-2021-22254 3.1 LOW GitLab 安全漏洞

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab

V. Comments for CVE-2021-22238

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